Home / 6,158,781-8,498,941.20-3,405,420.36

Finding the Fourth Proportional to 6,158,781, 8,498,941.20 and 3,405,420.36

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Solution

The fourth proportional to 6,158,781, 8,498,941.20 and 3,405,420.36 is: 4,699,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158,781 : 8,498,941.20 = 3,405,420.36 : x
  2. Step 2: Convert to fraction form
    6,158,781/8,498,941.20 = 3,405,420.36/x
  3. Step 3: Cross multiply
    6,158,781x = 8,498,941.20 × 3,405,420.36
  4. Step 4: Simplify right side
    6,158,781x = 28,942,467,400,922.83
  5. Step 5: Solve for x
    x = 28,942,467,400,922.83/6,158,781
  6. Step 6: Final answer
    x = 4,699,382.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.